<div class="panel-heading">
    <h4 class="widget-title">最新文章</h4>
</div>
<ul class="list-group">
    <li class="list-group-item" ng-repeat="post in all|limitTo:widget.limit">
        <div class="widget-list-item">
            <i class="fa fa-caret-right"></i> <a ng-href="#/{{post.id}}">{{post.title}}</a>
        </div>
    </li>
</ul>